The Spitzer team, led by Kate Su of the University of Arizona, Tucson, says the giant cloud of fine dust around the disk is very unusual.
Dr. Raymond Woosley is vice president of health sciences and a professor of pharmacology at the University of Arizona, Tucson.
The team led by paediatric expert Esmeralda Morales from the University of Arizona in Tucson followed 486 children from birth.
"We've only looked at one tiny little slit" of the landing site, principal investigator Peter Smith of the University of Arizona, Tucson said Monday.
President Barack Obama and his wife, Michelle Obama, will attend a Wednesday memorial service and visit with victims' families at the University of Arizona in Tucson, according to a statement from the school.
Now, it's true that climates have been changing throughout Earth's history, but climate scientist Jonathan Overpeck at the University of Arizona at Tucson says this time the change will be fundamentally different from anything that's come before.
"This is going to be the largest sample of an extraterrestrial object returned to Earth since end of the Apollo missions over 40 years ago, " said Edward Beshore, deputy principal investigator for the mission, who is based at the University of Arizona, Tucson.
Tucson, Arizona (CNN) -- It's the week before finals at the University of Arizona in Tucson, and all over campus, students are hunched over books and laptops under the shelter of immense palm trees and sprawled out on the cement benches lining the campus' long, grassy mall, the anticipation palpable.
One died from his injuries and another remained in stable condition on Friday at the University of Arizona Medical Center in Tucson, the Navy said.
That's why, when the president addresses the nation next Tuesday night in his State of the Union address, top aides say it will build on the president's highly successful speech at the University of Arizona memorial service after the Tucson tragedy.
"The most important thing is to understand what you want out of your entrepreneurship program, " Sherry Hoskinson, director of the University of Arizona's McGuire Center for Entrepreneurship in Tucson, ranked third and fourth on the graduate and undergraduate lists respectively, told the study.
And unlike his colleague to the north, who first ran for sheriff in 1992 after a long career as a federal agent, Mr. Dupnik has been in Tucson since he graduated from the University of Arizona and joined the local police department in 1958.
After graduating from the University of Arizona, he was elected to serve on a school board in Tucson but also travels the country as an inspirational speaker.
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